29112290 has 32 divisors (see below), whose sum is σ = 54362880. Its totient is φ = 11217024.

The previous prime is 29112287. The next prime is 29112301. The reversal of 29112290 is 9221192.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33542 + ... + 34398.

It is an arithmetic number, because the mean of its divisors is an integer number (1698840).

Almost surely, 2^29112290 is an apocalyptic number.

29112290 is a deficient number, since it is larger than the sum of its proper divisors (25250590).

29112290 is a wasteful number, since it uses less digits than its factorization.

29112290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 29112290 is about 5395.5805989717. The cubic root of 29112290 is about 307.6277126101.

The spelling of 29112290 in words is "twenty-nine million, one hundred twelve thousand, two hundred ninety".